Setting the axes border color?

This doesn't seem to be having the desired effect. I can set the frame's edgecolor
to whatever I want, and it is displayed correctly, but there is still a black line surrounding
it? Is there another property I need to set somewhere to completely change the border

     frame = ax.get_frame()
     setp(frame, 'linewidth', 1)
     setp(frame, 'edgecolor', 'blue')

Best regards,

Peter Buschman